RCSB PDB API

Research Collaboratory for Structural Bioinformatics (RCSB) Protein Data Bank API. Provides access to 3D structural data of biological macromolecules including proteins, nucleic acids, and complex assemblies.

Claim this API

Are you the operator of RCSB PDB API? Submit a claim to establish contact with us.

Report an Issue

Found something wrong with RCSB PDB API? Let us know about broken links, changed auth, deprecated endpoints, or other issues.

Base URL: https://data.rcsb.org/
Auth: unknown
Endpoints: 7
Reachable: yes
CORS: unknown
Last checked: 2026-03-14 16:09:44.516023

Links

Homepage: https://www.rcsb.org
API Base: https://data.rcsb.org/
Documentation:

100.0%

Uptime (7d)

360ms

Avg latency (7d)

20

Probes (7d)

Latency (7d)

Success Rate (7d)

Topics

CHEMISTRY, SCIENCE

Endpoints

Method Path Summary Auth Last Status Latency
GET /core/assembly/{entry_id}/{assembly_id} Get assembly data 404 352ms
GET /core/chem_comp/{comp_id} Get chemical component data 404 362ms
GET /core/entry/{entry_id} Get entry core data 404 329ms
GET /core/nonpolymer_entity/{entry_id}/{entity_id} Get non-polymer entity data 404 348ms
GET /core/polymer_entity/{entry_id}/{entity_id} Get polymer entity data 404 340ms
GET /holdings/current/entry_ids Get current entry IDs 200 362ms
GET /holdings/current/pdb_ids Get current PDB IDs 404 412ms